BeginnerSlide lesson14 min
Common W-4 mistakes (with fixes)
Step 2(c) checked wrong, Step 3 dollar amounts, Step 4(a) other income, and Step 4(b) deductions gotchas — each with a worked example.
Last reviewed: July 2026 · Tax year 2026 (post-OBBBA)
Step 2(c) checked wrong, Step 3 dollar amounts, Step 4(a) other income, and Step 4(b) deductions gotchas — each with a worked example.
Last reviewed: July 2026 · Tax year 2026 (post-OBBBA)